Hose Clamp 4920417 is compatible with a long list of Cummins engines: 15N, ISM11, ISB, B4.5, M12, M13, ISX, QSX, X11.9, X12, X15, ISZ, Z13, Z14, Z15, and Z10. It secures hoses firmly and prevents leaks under vibration. A simple part that does a critical job — made to OEM specs.